<em>const appVersion</em> = <q>window.navigator</q>.<b>appVersion</b> 
<s>Google Chrome</s> 	= '<u>5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36</u>'
<s>Firefox</s> 			= '<u>5.0 (Windows)</u>'
<s>360</s> 				= '<u>5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36</u>'
<s>qq</s> 				= '<u>55.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3756.400 QQBrowser/10.5.4039.400</u>'
<em># IE 浏览器</em>
<s>ie11</s> 			= '<u>5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; InfoPath.2; rv:11.0) like Gecko</u>'
<s>ie10</s> 			= '<u>5.0 (compatible; MSIE 10.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; InfoPath.2)</u>'
<s>ie9</s> 				= '<u>5.0 (compatible; MSIE 9.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; InfoPath.2)</u>'
<s>ie8</s> 				= '<u>4.0 (compatible; MSIE 8.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; InfoPath.2)</u>'
<s>ie7</s> 				= '<u>4.0 (compatible; MSIE 7.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; InfoPath.2)</u>'